JPH0417564Y2 - - Google Patents

Info

Publication number

JPH0417564Y2

JPH0417564Y2 JP1987082692U JP8269287U JPH0417564Y2 JP H0417564 Y2 JPH0417564 Y2 JP H0417564Y2 JP 1987082692 U JP1987082692 U JP 1987082692U JP 8269287 U JP8269287 U JP 8269287U JP H0417564 Y2 JPH0417564 Y2 JP H0417564Y2

Authority

JP

Japan

Prior art keywords

pipe

corrosion

hole

pipe joint

insulating plug

Prior art date

1987-05-29

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
• Global Dossier
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• 238000005260 corrosion Methods 0.000 claims description 46
• 230000007797 corrosion Effects 0.000 claims description 30
• 238000007789 sealing Methods 0.000 claims description 9
• BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
• RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
• 229910052697 platinum Inorganic materials 0.000 claims description 3
• 239000010936 titanium Substances 0.000 claims description 3
• 229910052719 titanium Inorganic materials 0.000 claims description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
• 239000000565 sealant Substances 0.000 description 10
• 229910000831 Steel Inorganic materials 0.000 description 9
• 239000010959 steel Substances 0.000 description 9
• 238000004210 cathodic protection Methods 0.000 description 7
• 230000000694 effects Effects 0.000 description 6
• 239000000463 material Substances 0.000 description 6
• 238000000034 method Methods 0.000 description 6
• 239000011810 insulating material Substances 0.000 description 5
• 238000005536 corrosion prevention Methods 0.000 description 4
• 239000012212 insulator Substances 0.000 description 4
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
• 229920003023 plastic Polymers 0.000 description 3
• 239000004033 plastic Substances 0.000 description 3
• 239000004698 Polyethylene Substances 0.000 description 2
• BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
• 239000000853 adhesive Substances 0.000 description 2
• 230000001070 adhesive effect Effects 0.000 description 2
• 239000011248 coating agent Substances 0.000 description 2
• 238000000576 coating method Methods 0.000 description 2
• 239000007769 metal material Substances 0.000 description 2
• 238000010422 painting Methods 0.000 description 2
• -1 polyethylene Polymers 0.000 description 2
• 229920000573 polyethylene Polymers 0.000 description 2
• 241001122767 Theaceae Species 0.000 description 1
• 239000010426 asphalt Substances 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 239000011280 coal tar Substances 0.000 description 1
• 238000004040 coloring Methods 0.000 description 1
• 230000007547 defect Effects 0.000 description 1
• 210000003298 dental enamel Anatomy 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 239000013013 elastic material Substances 0.000 description 1
• 229920001971 elastomer Polymers 0.000 description 1
• 238000010292 electrical insulation Methods 0.000 description 1
• 239000012777 electrically insulating material Substances 0.000 description 1
• 239000007772 electrode material Substances 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 238000009413 insulation Methods 0.000 description 1
• 230000007774 longterm Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 230000013011 mating Effects 0.000 description 1
• 238000012856 packing Methods 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 238000003825 pressing Methods 0.000 description 1
• 230000002265 prevention Effects 0.000 description 1
• 239000002994 raw material Substances 0.000 description 1
• 229920006395 saturated elastomer Polymers 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1